SP000221231 [INFINEON]
Smart High-Side Power Switch for Industrial Applications; 智能高侧电源开关的工业应用
| 型号： | SP000221231 |
| 厂家： | 
Infineon |
| 描述： | Smart High-Side Power Switch for Industrial Applications |
| 文件： | 总12页 (文件大小：248K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
PROFET ITS436L2
Smart High-Side Power Switch
for Industrial Applications
One Channel: 38mΩ
Status Feedback
Product Summary
Package
On-state Resistance
Operating Voltage
Nominal load current
Current limitation
RON
38mΩ
4.75...41V
9.8A
40A
-30 …+85°C
PG-TO220-5-11
PG-TO220-5-12
Vbb(on)
IL(NOM)
IL(SCr)
Ta
Operating Temperature
Standard
Straight
General Description
•
N channel vertical power MOSFET with charge pump, ground referenced CMOS compatible input and
diagnostic feedback, monolithically integrated in Smart SIPMOS technology.
Providing embedded protective functions
•
Applications
•
µC compatible high-side power switch with diagnostic feedback for 5V, 12V and 24V grounded loads in
industrial applications
•
•
•
All types of resistive, inductive and capacitve loads
Most suitable for loads with high inrush currents, so as lamps
Replaces electromechanical relays, fuses and discrete circuits
Basic Functions
•
•
•
•
•
•
Very low standby current
CMOS compatible input
Fast demagnetization of inductive loads
Stable behaviour at undervoltage
Wide operating voltage range
Logic ground independent from load ground
Block Diagram
Protection Functions
Vbb
•
•
•
•
•
Short circuit protection
Overload protection
Current limitation
Thermal shutdown
Overvoltage protection (including load dump) with external
resistor
Reverse battery protection with external resistor
Loss of ground and loss of Vbb protection
Electrostatic discharge protection (ESD)
IN
Logic
with
•
•
•
protection
functions
ST
OUT
Load
Diagnostic Function
PROFET
GND
•
•
•
Diagnostic feedback with open drain output
Open load detection in ON-state
Feedback of thermal shutdown in ON-state
Infineon Technologies AG
Page 1
2006-Mar-28
®
PROFET ITS436L2
Functional diagram
current limit
overvoltage
gate
control
+
VBB
protection
charge
pump
internal
clamp for
logic
inductive load
OUT
temperature
sensor
IN
ESD
LOAD
Open load
detection
ST
GND
PROFET
Pin Definitions and Functions
Pin configuration
(top view)
Symbol
Function
Logic ground
Pin
GND
IN
1
2
Tab = VBB
Input, activates the power switch in
case of logical high signal
Positive power supply voltage
3
V
bb
The tab is shorted to pin 3
4
ST
Diagnostic feedback, low on failure
Output to the load
1
2
(3)
4
5
GND IN
ST OUT
5
OUT
Positive power supply voltage
Tab
V
bb
The tab is shorted to pin 3
Infineon Technologies AG
Page 2
2006-Mar-28
®
PROFET ITS436L2
Maximum Ratings at Tj = 25 °C unless otherwise specified
Parameter
Symbol
Values
Unit
V
Supply voltage (overvoltage protection see page 4)
Supply voltage for full short circuit protection
Vbb
Vbb
43
24
V
T
j Start=-40 ...+150°C
1
3
)
Load dump protection VLoadDump = VA + Vs, VA = 13.5 V VLoad dump
60
V
2
)
RI = 2 Ω, RL= 4.0 Ω, td= 200 ms, IN= low or high
Load current (Current limit, see page 5)
Junction temperature
IL
Tj
self-limited
+150
A
°C
-30 … +85
Operating temperature range
Storage temperature range
Ta
Tstg
Ptot
-40 ...+105
Power dissipation (DC), TC ≤ 25 °C
Maximal switchable inductance, single pulse
75
W
V
= 12V, T = 150°C, T = 150°C const.
j,start C
bb
4
)
(See diagram on page 8)
I
= 9.8 A, R = 0 Ω, E AS=0.33J: ZL
5.0
1.0
4.0
8.0
mH
kV
L(ISO)
L
Electrostatic discharge capability (ESD)
IN:
VESD
(Human Body Model)
ST:
out to all other pins shorted:
acc. MIL-STD883D, method 3015.7 and
ESD assn. std. S5.1-1993; R=1.5kΩ; C=100pF
Input voltage (DC)
VIN
IIN
IST
-10 ... +16
±2.0
V
mA
Current through input pin (DC)
Current through status pin (DC)
see internal circuit diagrams page 7
±5.0
Thermal Characteristics
Parameter and Conditions
Symbol
chip - case: RthJC
Values
typ
Unit
min
max
K/W
Thermal resistance
--
--
--
-- 1.75
--
75
--
R
thJA
junction - ambient (free ai5r):
33
)
device on pcb :
1
)
Supply voltages higher than Vbb(AZ) require an external current limit for the GND and status pins (a 150Ω
resistor for the GND connection is recommended).
2
3
4
5
)
)
)
)
R = internal resistance of the load dump test pulse generator
I
VLoad dump is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839
EAS is the maximum inductive switch-off energy
Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm2 (one layer, 70µm thick) copper area for Vbb
connection. PCB is vertical without blown air.
Infineon Technologies AG
Page 3
2006-Mar-28
®
PROFET ITS436L2
Electrical Characteristics
Parameter and Conditions
Symbol
Values
Unit
at Tj =-40...+150°C, V = 12 V unless otherwise specified
bb
min
--
typ
max
Load Switching Capabilities and Characteristics
On-state resistance (pin 3 to 5)
I = 2 A; VBB ≥ 7V
L
RON
T=25 °C:
35
64
38
72
mΩ
j
T=150 °C:
j
see diagram, page 9
Nominal load current, (pin 3 to 5)
IL(ISO)
8.8
--
9.8
--
--
2
A
ISO 10483-1, 6.7:VON=0.5V, T =85°C
C
Output current (pin 5) while GND disconnected or
IL(GNDhigh)
mA
6
)
GND pulled up , V =30 V, V = 0,
bb
IN
see diagram page 7
Turn-on time
Turn-off time
RL = 12 Ω,
IN
IN
to 90% VOUT: ton
to 10% VOUT: toff
50
50
100
120
200
250
µs
Slew rate on
dV /dton
-dV/dtoff
0.1
0.1
--
--
1 V/µs
1 V/µs
10 to 30% VOUT, RL = 12 Ω,
Slew rate off
70 to 40% VOUT, RL = 12 Ω,
Operating Parameters
Operating voltage
T =-40 Vbb(on)
4.75
--
--
41
V
V
j
T =+25...+150°C:
43
j
Overvoltage protection7
T =-40°C: Vbb(AZ)
41
43
--
--
)
j
Ibb=40 mA
T =25...+150°C:
47
52
j
Standby current (pin 3) 8)
Tj=-40...+25°C: Ibb(off)
--
5
8
µA
µA
VIN=0; see diagram on page 9
Tj= 150°C:
--
--
25
IL(off)
IGND
--
--
1
10
Off-State output current (included in Ibb(off)
)
VIN=0
9
)
Operating current , VIN=5 V
0.8
1.4
mA
6
)
not subject to production test, specified by design
7
)
Supply voltages higher than Vbb(AZ) require an external current limit for the GND and status pins (a 150Ω
resistor for the GND connection is recommended. See also V
circuit diagram page 7.
in table of protection functions and
ON(CL)
8
9
)
)
Measured with load
Add I , if I > 0, add I , if V >5.5 V
ST
ST
IN
IN
Infineon Technologies AG
Page 4
2006-Mar-28
®
PROFET ITS436L2
Parameter and Conditions
Symbol
Values
typ max
Unit
at Tj =-40...+150°C, V = 12 V unless otherwise specified
bb
min
Protection Functions10)
Current limit (pin 3 to 5)
IL(lim)
(see timing diagrams on page 11)
Tj =-40°C:
Tj =25°C:
46
39
30
58
51
38
68
58
46
A
Tj =+150°C:
Repetitive short circuit shutdown current limit
IL(SCr)
Tj = Tjt (see timing diagrams, page 11)
--
--
40
1.9
--
--
A
ms
Thermal shutdown time11)
T
j,start = 25°C: toff(SC)
(see timing diagrams on page 11)
Output clamp (inductive load switch off)
41
43
150
--
at VOUT = Vbb - VON(CL)
IL= 40 mA: VON(CL)
47
--
10
--
52
--
--
V
°C
K
Thermal overload trip temperature
Thermal hysteresis
Tjt
∆Tjt
Reverse battery (pin 3 to 1) 12)
-Vbb
--
32
V
13 )
Reverse battery voltage drop (V > V
)
out
bb
IL = -2 A
T=150 °C: -VON(rev)
j
--
600
-- mV
Diagnostic Characteristics
Open load detection current
IL (OL)
100
--
900 mA
(on-condition)
Input and Status Feedback14
)
Input resistance
RI
2.5
3.5
6
kΩ
see circuit page 7
Input turn-on threshold voltage
Input turn-off threshold voltage
Input threshold hysteresis
Off state input current (pin 2), VIN = 0.4 V
On state input current (pin 2), VIN = 5 V
VIN(T+)
VIN(T-)
1.7
1.5
--
1
20
100
--
--
0.5
--
50
520
3.2
--
--
50 µA
90 µA
900 µs
V
V
V
∆ VIN(T)
IIN(off)
IIN(on)
td(ST OL4)
Delay time for status with open load after switch off
(see timing diagrams on page 11)
Status output (open drain)
Zener limit voltage
ST low voltage
IST = +1.6 mA: VST(high)
IST = +1.6 mA: VST(low)
5.4
--
6.1
--
--
V
0.4
10
)
Integrated protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as "outside" normal operating range. Protection functions are
not designed for continuous repetitive operation.
11
12
Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm2 (one layer, 70µm thick) copper area for V
)
bb
connection. PCB is vertical without blown air.
)
Requires 150 Ω resistor in GND connection. The reverse load current through the intrinsic drain-source
diode has to be limited by the connected load. Note that the power dissipation is higher compared to normal
operating conditions due to the voltage drop across the intrinsic drain-source diode. The temperature
protection is not active during reverse current operation! Input and Status currents have to be limited (see
max. ratings page 3 and circuit page 7).
13
14
)
)
not subject to production test, specified by design
If a ground resistor R
is used, add the voltage drop across this resistor.
GND
Infineon Technologies AG
Page 5
2006-Mar-28
®
PROFET ITS436L2
Truth Table
Input Output
Status
level
level
BTS 436L2
Normal
L
H
L
L
H
Z
H
L
L
H
H
H
L
H
L
operation
Open load
H
L
Overtem-
perature
H
L = "Low" Level
H = "High" Level
X = don't care
Z = high impedance, potential depends on external circuit
Status signal after the time delay shown in the diagrams (see fig 5. page 11)
Infineon Technologies AG
Page 6
2006-Mar-28
®
PROFET ITS436L2
Terms
Overvolt. and reverse batt. protection
+ 5V
+ V
bb
I
bb
3
R
ST
I
V
IN
Z2
V
R
bb
IN
I
IN
2
I
L
V
ON
OUT
PROFET
Logic
I
5
ST
ST
ST
OUT
R
4
ST
V
GND
V
ST
IN
V
V
1
I
Z1
PRO FET
bb
V
GND
OUT
R
GND
GND
R
Load
R
GND
Signal GND
Load GND
V
= 6.1 V typ., V = 47 V typ., R
= 150 Ω,
GND
Z1
ST
Z2
Input circuit (ESD protection)
R
= 15 kΩ, R = 3.5 kΩ typ.
I
In case of reverse battery the load current has to be
limited by the load. Temperature protection is not
active
R
I
IN
ESD-ZDI
I
I
Open-load detection in on-state
Open load, if V < R ·I
; IN high
ON
ON L(OL)
GND
+ V
bb
The use of ESD zener diodes as voltage clamp at DC
conditions is not recommended
V
ON
Status output
ON
+5V
OUT
Open load
detection
Logic
unit
RST(ON)
ST
ESD-
ZD
GND
GND disconnect
ESD-Zener diode: 6.1 V typ., max 5.0 mA; R
< 375 Ω
ST(ON)
at 1.6 mA. The use of ESD zener diodes as voltage clamp at
DC conditions is not recommended.
3
V
bb
IN
2
Inductive and overvoltage output clamp
OUT
+ V
bb
PROFET
5
V
Z
ST
4
GND
1
V
V
V
VON
V
bb
IN
ST
GND
OUT
Any kind of load. In case of Input=high is VOUT ≈ VIN - VIN(T+)
.
Due to VGND >0, no VST = low signal available.
PROFET
GND
V
ON
clamped to 47 V typ.
Infineon Technologies AG
Page 7
2006-Mar-28
®
PROFET ITS436L2
Inductive Load switch-off energy
GND disconnect with GND pull up
dissipation
E
bb
3
V
E
bb
IN
AS
2
E
E
Load
OUT
PROFET
V
5
bb
IN
ST
4
GND
1
OUT
PROFET
=
ST
L
GND
L
V
V
V
V
IN ST
GND
bb
Z
{
R
L
L
E
R
Any kind of load. If VGND > VIN - VIN(T+) device stays off
Due to VGND >0, no VST = low signal available.
V
disconnect with energized inductive
bb
Energy stored in load inductance:
load
2
1
E = / ·L·I
L
2
L
While demagnetizing load inductance, the energy
3
dissipated in PROFET is
V
high
bb
IN
2
E
AS= Ebb + EL - ER= VON(CL)·iL(t) dt,
∫
OUT
PROFET
5
with an approximate solution for RL > 0Ω:
ST
4
IL·L
IL·RL
GND
1
E =
AS
·(Vbb +|VOUT(CL)|)· ln (1+
)
2·RL
|VOUT(CL)|
Maximum allowable load inductance for
V
bb
a single switch off
L = f (IL ); Tj,start = 150°C,TC = 150°C const.,
For inductive load currents up to the limits defined by Z
(max. ratings and diagram on page 8) each switch is
L
Vbb = 12 V, RL = 0 Ω
ZL [mH]
1000
protected against loss of V
.
bb
Consider at your PCB layout that in the case of Vbb dis-
connection with energized inductive load all the load current
flows through the GND connection.
100
10
1
0.1
0
2
4
6
10
12 14
16
18
I
[A]
L
Infineon Technologies AG
Page 8
2006-Mar-28
®
PROFET ITS436L2
Typ. on-state resistance
R
ON
= f (V ,T ); I = 2 A, IN = high
L
bb j
RON [mΩ]
80
70
60
50
40
30
20
Tj = 150°C
25°C
-40°C
10
3
5
7
9
30
40
V
bb
[V]
Typ. standby current
I
= f (T ); V = 9...34 V, IN1,2 = low
bb
bb(off)
j
Ibb(off) [µA]
45
40
35
30
25
20
15
10
5
0
-50
0
50
100
150
200
T [°C]
j
Infineon Technologies AG
Page 9
2006-Mar-28
®
PROFET ITS436L2
Timing diagrams
Figure 2b: Switching a lamp,
Figure 1a: V turn on:
bb
IN
IN
V
bb
ST
V
V
OUT
OUT
ST open drain
I
L
t
t
proper turn on under all conditions
The initial peak current should be limited by the lamp and not by the
current limit of the device.
Figure 2a: Switching a resistive load,
turn-on/off time and slew rate definition:
Figure 2c: Switching an inductive load
IN
IN
VOUT
ST
90%
t
dV/dtoff
on
t
dV/dton
V
off
OUT
10%
IL
I
L
t
I
L(OL)
t
*) if the time constant of load is too large, open-load-status may
occur
Infineon Technologies AG
Page 10
2006-Mar-28
®
PROFET ITS436L2
Figure 3a: Short circuit
Figure 5a: Open load: detection in ON-state, open
shut down by overtemperature, reset by cooling
load occurs in on-state
IN
other channel: normal operation
IN
t
t
d(ST OL)
d(ST OL)
ST
V
I
L
I
L(lim)
I
OUT
L(SCr)
t
off(SC)
normal
normal
open
ST
I
L
t
t
Heating up of the chip may require several milliseconds, depending
on external conditions
td(ST OL) = 10 µs typ.
Figure 4a: Overtemperature:
Reset if T <T
j
jt
Figure 5b: Open load: turn on/off to open load
IN
IN
d(STOL4)
ST
ST
I
V
L
OUT
T
J
t
Infineon Technologies AG
Page 11
2006-Mar-28
®
PROFET ITS436L2
Published by
Package and Ordering Code
Infineon Technologies AG,
St.-Martin-Strasse 53,
All dimensions in mm
D-81669 München
Standard (=staggered): PG-TO220-5-11
© Infineon Technologies AG 2006
All Rights Reserved.
Sales code
ITS436L2
Ordering code:
SP000221231
Attention please!
The information herein is given to describe certain
components and shall not be considered as a guarantee of
characteristics.
±0.2
10
A
±0.15
9.8
8.51)
Terms of delivery and rights to technical change reserved.
4.4
3.7-0.15
1.27±0.1
We hereby disclaim any and all warranties, including but not
limited to warranties of non-infringement, regarding circuits,
descriptions and charts stated herein.
Infineon Technologies is an approved CECC manufacturer.
0.05
Information
For further information on technology, delivery terms and
conditions and prices please contact your nearest Infineon
Technologies Office in Germany or our Infineon
Technologies Representatives worldwide (see address list).
C
0.5±0.1
3.9±0.4
0...0.15
Warnings
2.4
0.8±0.1
Due to technical requirements components may contain
dangerous substances. For information on the types in
question please contact your nearest Infineon Technologies
Office.
1.7
M
0.25
A C
8.4±0.4
1)
Typical
Infineon Technologies Components may only be used in life-
support devices or systems with the express written
approval of Infineon Technologies, if a failure of such
components can reasonably be expected to cause the
failure of that life-support device or system, or to affect the
safety or effectiveness of that device or system. Life support
devices or systems are intended to be implanted in the
human body, or to support and/or maintain and sustain
and/or protect human life. If they fail, it is reasonable to
assume that the health of the user or other persons may be
endangered.
All metal surfaces tin plated, except area of cut.
Straight: PG-TO220-5-12
Sales code
ITS436L2 S
Ordering code:
SP000221232
±0.2
10
A
±0.15
9.8
B
8.51)
4.4
3.7-0.15
1.27±0.1
0.05
C
±0.1
0.5
0...0.15
6x
0.8±0.1
2.4
1.7
M
0.25
A B C
Typical
1)
All metal surfaces tin plated, except area of cut.
Infineon Technologies AG
Page 12
2006-Mar-28
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